## Articles

Suppose you have an infinitely large sheet of paper (mathematicians refer to this hypothetical object as the plane). You also have a number of different colours - pots of paint, perhaps. Your aim is to colour every point on the plane using the colours available. That is, each point must be assigned one colour. |
Backgammon is said to be one of the oldest games in the world. In this article,
Jochen Blath and Peter Mörters discuss one particularly interesting aspect of the game - the doubling cube. They show how a model using Brownian motion can help a player to decide when to double or accept a double. |

Knots crop up all over the place, from tying a shoelace to molecular structure, but they are also elegant mathematical objects.
Colin Adams asks when is a molecule knot a molecule? and what happens if you try to build a knot out of sticks? |
A question which has been vexing astronomers for a long time is whether the forces of attraction between stars and galaxies will eventually result in the universe collapsing back into a single point, or whether it will expand forever with the distances between stars and galaxies growing ever larger.
Toby O'Neil describes how the mathematical theory of dimension gives us a way of
approaching the question. |

Claude Shannon, who died on February 24, was the founder of Information Theory, which is the basis of modern telecommunications.
Rachel Thomas looks at Shannon's life and works. |
Chomp is a simple two-dimensional game, played as follows. |